WO2024034777A1 - Dispositif électronique et procédé de commande de dispositif électronique - Google Patents

Dispositif électronique et procédé de commande de dispositif électronique Download PDF

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Publication number
WO2024034777A1
WO2024034777A1 PCT/KR2023/005450 KR2023005450W WO2024034777A1 WO 2024034777 A1 WO2024034777 A1 WO 2024034777A1 KR 2023005450 W KR2023005450 W KR 2023005450W WO 2024034777 A1 WO2024034777 A1 WO 2024034777A1
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Prior art keywords
network
electronic device
communication
cellular
processor
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PCT/KR2023/005450
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English (en)
Korean (ko)
Inventor
진재영
김준석
송동철
이준근
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삼성전자 주식회사
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Priority claimed from KR1020220117683A external-priority patent/KR20240020630A/ko
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Publication of WO2024034777A1 publication Critical patent/WO2024034777A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/25—Maintenance of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the 5G communication system or pre-5G communication system is called a Beyond 4G Network communication system or a Post LTE communication system.
  • 5G communication systems will use sub-6 GHz bands (e.g., 1.8 GHz band or 3.5 GHz band) or ultra-high frequency (mmWave) bands (e.g. For example, implementation in the 28 GHz band or 39 GHz band) is being considered.
  • sub-6 GHz bands e.g., 1.8 GHz band or 3.5 GHz band
  • mmWave bands e.g. For example, implementation in the 28 GHz band or 39 GHz band
  • the 5G communication system uses beamforming, massive MIMO, full dimensional MIMO (FD-MIMO), and array antennas.
  • FD-MIMO full dimensional MIMO
  • array antenna, analog beam-forming, and large scale antenna technologies are being discussed.
  • Electronic devices that support dual connectivity can operate in both LTE and 5G networks simultaneously.
  • the electronic device may disconnect from the 5G network and perform data transmission or reception over the LTE network based on determining that the internal and/or surface temperature is above (or above) a specified value.
  • a situation may arise where the heat generated by transmitting or receiving data through an LTE network is lower than that generated by transmitting or receiving data through an NR network, and in this situation, rather than disconnecting from the 5G network, connecting to the LTE network Disconnecting may be more efficient in terms of suppressing heat generation.
  • the electronic device is operatively in communication with a first communication circuitry in first cellular communication with a first cellular network, a second communication circuitry in first cellular communication with a second cellular network, a first communication circuitry and a second communication circuitry. It may include at least one processor that is connected.
  • the processor connects to the first cellular network and the second cellular network through the first communication circuit and the second communication circuit, and provides a first condition related to the surface heating temperature of the electronic device and the number of layers received through the first cellular communication. and a second condition related to the number of layers receiving through the second cellular communication and a third condition related to the size of the transmission power of the first communication circuit and the second communication circuit.
  • the control method of the electronic device includes a first condition related to the surface heating temperature of the electronic device, a second condition related to the number of receiving layers through first cellular communication and the number of receiving layers through second cellular communication, and a first condition related to the number of receiving layers through first cellular communication.
  • the first cellular network may include a long term evolution (LTE) network
  • the second cellular network may include a new radio (NR) network.
  • LTE long term evolution
  • NR new radio
  • the electronic device compares the current consumed in the LTE network and the current consumed in the 5G network in a DC state to disconnect from the network that consumes more current, thereby reducing current consumption and heat generation. You can.
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to one embodiment.
  • Figure 2 is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to one embodiment.
  • FIG. 3 is a diagram illustrating a protocol stack structure of a network 100 for legacy communication and/or 5G communication according to an embodiment.
  • FIGS. 4A, 4B, and 4C are diagrams illustrating wireless communication systems providing a network of legacy communication and/or 5G communication according to an embodiment.
  • Figure 5 is a block diagram of an electronic device supporting dual connectivity according to an embodiment.
  • Figure 6 is a graph showing the temperature measurement results of each network in an EN-DC environment according to an embodiment.
  • Figure 7 is a flowchart for controlling heat generation in an electronic device in an EN-DC environment according to an embodiment.
  • Figure 8 is a flowchart for controlling heat generation in an electronic device in a NE-DC environment according to an embodiment.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, according to one embodiment.
  • the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with at least one of the electronic device 104 or the server 108 through (e.g., a long-distance wireless communication network).
  • the electronic device 101 may communicate with the electronic device 104 through the server 108.
  • the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197.
  • at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added to the electronic device 101.
  • some of these components are integrated into one component (e.g., display module 160). It can be.
  • the processor 120 for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
  • software e.g., program 140
  • the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132.
  • the commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
  • the processor 120 includes a main processor 121 (e.g., a central processing unit or an application processor) or an auxiliary processor 123 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • a main processor 121 e.g., a central processing unit or an application processor
  • auxiliary processor 123 e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor.
  • the electronic device 101 includes a main processor 121 and a secondary processor 123
  • the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can.
  • the auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.
  • the auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled.
  • co-processor 123 e.g., image signal processor or communication processor
  • may be implemented as part of another functionally related component e.g., camera module 180 or communication module 190. there is.
  • the auxiliary processor 123 may include a hardware structure specialized for processing artificial intelligence models.
  • Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 108).
  • Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited.
  • An artificial intelligence model may include multiple artificial neural network layers.
  • Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above.
  • artificial intelligence models may additionally or alternatively include software structures.
  • the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto.
  • Memory 130 may include volatile memory 132 or non-volatile memory 134.
  • the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142, middleware 144, or application 146.
  • the input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user).
  • the input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, stylus pen).
  • the sound output module 155 may output sound signals to the outside of the electronic device 101.
  • the sound output module 155 may include, for example, a speaker or a receiver. Speakers can be used for general purposes such as multimedia playback or recording playback.
  • the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
  • the display module 160 can visually provide information to the outside of the electronic device 101 (eg, a user).
  • the display module 160 may include, for example, a display, a hologram device, or a projector, and a control circuit for controlling the device.
  • the display module 160 may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.
  • the audio module 170 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device (e.g., directly or wirelessly connected to the electronic device 101). Sound may be output through the electronic device 102 (e.g., speaker or headphone).
  • the electronic device 102 e.g., speaker or headphone
  • the sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do.
  • the sensor module 176 includes, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.
  • the interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 directly or wirelessly with an external electronic device (eg, the electronic device 102).
  • the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card interface
  • audio interface audio interface
  • connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102).
  • the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
  • the haptic module 179 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can perceive through tactile or kinesthetic senses.
  • the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the camera module 180 can capture still images and moving images.
  • the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
  • the power management module 188 can manage power supplied to the electronic device 101.
  • the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101.
  • the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
  • Communication module 190 is configured to provide a direct (e.g., wired) communication channel or wireless communication channel between electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108). It can support establishment and communication through established communication channels. Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication.
  • processor 120 e.g., an application processor
  • the communication module 190 is a wireless communication module 192 (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (e.g., : LAN (local area network) communication module, or power line communication module) may be included.
  • a wireless communication module 192 e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • wired communication module 194 e.g., : LAN (local area network) communication module, or power line communication module
  • the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It may communicate with an external electronic device 104 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
  • a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
  • a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
  • a telecommunication network such as a cellular network, a 5G network, a next-generation communication network
  • the wireless communication module 192 uses subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199.
  • subscriber information e.g., International Mobile Subscriber Identifier (IMSI)
  • IMSI International Mobile Subscriber Identifier
  • the wireless communication module 192 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology).
  • NR access technology provides high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low latency). -latency communications)) can be supported.
  • the wireless communication module 192 may support high frequency bands (eg, mmWave bands), for example, to achieve high data rates.
  • the wireless communication module 192 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna.
  • the wireless communication module 192 may support various requirements specified in the electronic device 101, an external electronic device (e.g., electronic device 104), or a network system (e.g., second network 199).
  • the wireless communication module 192 supports Peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC.
  • Peak data rate e.g., 20 Gbps or more
  • loss coverage e.g., 164 dB or less
  • U-plane latency e.g., 164 dB or less
  • the antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device).
  • the antenna module 197 may include an antenna including a radiator made of a conductor or a conductive pattern formed on a substrate (eg, PCB).
  • the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected to the plurality of antennas by, for example, the communication module 190. can be selected. Signals or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna.
  • other components eg, radio frequency integrated circuit (RFIC) may be additionally formed as part of the antenna module 197.
  • RFIC radio frequency integrated circuit
  • the antenna module 197 may form a mmWave antenna module.
  • a mmWave antenna module includes: a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band. can do.
  • a mmWave antenna module includes: a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side)
  • peripheral devices e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • signal e.g. commands or data
  • commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199.
  • Each of the external electronic devices 102 or 104 may be of the same or different type as the electronic device 101.
  • all or part of the operations performed in the electronic device 101 may be executed in one or more of the external electronic devices 102, 104, or 108.
  • the electronic device 101 may perform the function or service instead of executing the function or service on its own.
  • one or more external electronic devices may be requested to perform at least part of the function or service.
  • One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101.
  • the electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request.
  • cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology can be used.
  • the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
  • the external electronic device 104 may include an Internet of Things (IoT) device.
  • Server 108 may be an intelligent server using machine learning and/or neural networks.
  • the external electronic device 104 or server 108 may be included in the second network 199.
  • the electronic device 101 may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.
  • An electronic device may be of various types.
  • Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances.
  • Electronic devices according to embodiments of this document are not limited to the above-described devices.
  • first, second, or first or second may be used simply to distinguish one component from another, and to refer to that component in other respects (e.g., importance or order) is not limited.
  • One (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
  • any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.
  • module used in one embodiment of this document may include a unit implemented in hardware, software, or firmware, and may be interchangeable with terms such as logic, logic block, component, or circuit, for example. can be used
  • a module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • One embodiment of the present document is one or more instructions stored in a storage medium (e.g., built-in memory 136 or external memory 138) that can be read by a machine (e.g., electronic device 101). It may be implemented as software (e.g., program 140) including these.
  • a processor e.g., processor 120
  • the one or more instructions may include code generated by a compiler or code that can be executed by an interpreter.
  • a storage medium that can be read by a device may be provided in the form of a non-transitory storage medium.
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves), and this term refers to cases where data is semi-permanently stored in the storage medium. There is no distinction between temporary storage cases.
  • a method according to an embodiment disclosed in this document may be provided and included in a computer program product.
  • Computer program products are commodities and can be traded between sellers and buyers.
  • the computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)) or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online.
  • a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.
  • each component (e.g., module or program) of the above-described components may include a single or multiple entities, and some of the multiple entities may be separately placed in other components.
  • one or more of the above-described corresponding components or operations may be omitted, or one or more other components or operations may be added.
  • multiple components eg, modules or programs
  • the integrated component may perform one or more functions of each component of the plurality of components in the same or similar manner as those performed by the corresponding component of the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or , or one or more other operations may be added.
  • FIG. 2 is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to one embodiment.
  • the electronic device 101 includes a first communication processor 212, a second communication processor 214, a first radio frequency integrated circuit (RFIC) 222, and a second RFIC. (224), third RFIC (226), fourth RFIC (228), first radio frequency front end (RFFE) (232), second RFFE (234), first antenna module (242), second antenna module (244), and may include an antenna (248).
  • the electronic device 101 may further include a processor 120 and a memory 130.
  • Network 199 may include a first network 292 and a second network 294. According to one embodiment, the electronic device 101 may further include at least one of the components shown in FIG. 1, and the network 199 may further include at least one other network.
  • the first communication processor 212, the second communication processor 214, the first RFIC 222, the second RFIC 224, the fourth RFIC 228, the first RFFE 232, and second RFFE 234 may form at least a portion of wireless communication module 192.
  • the fourth RFIC 228 may be omitted or may be included as part of the third RFIC 226.
  • the first communication processor 212 may support establishment of a communication channel in a band to be used for wireless communication with the first network 292, and legacy network communication through the established communication channel.
  • the first network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network.
  • the second communication processor 214 establishes a communication channel corresponding to a designated band (e.g., about 6 GHz to about 60 GHz) among the bands to be used for wireless communication with the second network 294, and 5G network communication through the established communication channel. can support.
  • the second network 294 may be a 5G network (eg, new radio (NR)) defined by 3GPP.
  • NR new radio
  • the first communication processor 212 or the second communication processor 214 corresponds to another designated band (e.g., about 6 GHz or less) among the bands to be used for wireless communication with the second network 294. It can support establishment of a communication channel and 5G network communication through the established communication channel.
  • the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package.
  • the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120, the auxiliary processor 123, or the communication module 190. .
  • the first communication processor 212 may transmit and receive data with the second communication processor 214. For example, data that was classified as being transmitted through the second network 294 may be changed to be transmitted through the first network 292.
  • the first communication processor 212 may receive transmission data from the second communication processor 214.
  • the first communication processor 212 may transmit and receive data with the second communication processor 214 through an inter-processor interface.
  • the inter-processor interface may be implemented as a universal asynchronous receiver/transmitter (UART) (e.g., high speed-UART (HS-UART)) or peripheral component interconnect bus express (PCIe) interface, but there is no limitation on the type.
  • UART universal asynchronous receiver/transmitter
  • PCIe peripheral component interconnect bus express
  • the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using shared memory.
  • the first communication processor 212 may transmit and receive various information such as sensing information, information on output intensity, and resource block (RB) allocation information with the second communication processor 214.
  • RB resource block
  • the first communication processor 212 may not be directly connected to the second communication processor 214.
  • the first communication processor 212 may transmit and receive data through the second communication processor 214 and the processor 120 (eg, application processor).
  • the first communication processor 212 and the second communication processor 214 may transmit and receive data with the processor 120 (e.g., application processor) through an HS-UART interface or a PCIe interface, but the interface's There is no limit to the type.
  • the first communication processor 212 and the second communication processor 214 exchange control information and packet data information using the processor 120 (e.g., application processor) and shared memory. You can.
  • the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to one embodiment, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120, the auxiliary processor 123, or the communication module 190. .
  • the first RFIC 222 When transmitting, the first RFIC 222 converts the baseband signal generated by the first communication processor 212 into a frequency range of about 700 MHz to about 3 GHz for use in the first network 292 (e.g., a legacy network). It can be converted into a radio frequency (RF) signal. Upon reception, the RF signal is obtained from a first network 292 (e.g., a legacy network) via an antenna (e.g., first antenna module 242) and via an RFFE (e.g., first RFFE 232). Can be preprocessed. The first RFIC 222 may convert the pre-processed RF signal into a baseband signal to be processed by the first communication processor 212.
  • a first network 292 e.g., a legacy network
  • an antenna e.g., first antenna module 242
  • an RFFE e.g., first RFFE 232
  • the second RFIC 224 when transmitting, connects the first communications processor 212 or the baseband signal generated by the second communications processor 214 to a second network 294 (e.g., a 5G network). It can be converted to an RF signal (hereinafter referred to as a 5G Sub6 RF signal) in the Sub6 band (e.g., approximately 6 GHz or less).
  • a 5G Sub6 RF signal RF signal
  • the 5G Sub6 RF signal is obtained from the second network 294 (e.g., 5G network) via an antenna (e.g., second antenna module 244) and an RFFE (e.g., second RFFE 234) It can be preprocessed through .
  • the second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal so that it can be processed by a corresponding communication processor of the first communication processor 212 or the second communication processor 214.
  • the third RFIC 226 converts the baseband signal generated by the second communication processor 214 into an RF signal in the 5G Above6 band (e.g., about 6 GHz to about 60 GHz) to be used in the second network 294 (e.g., a 5G network). It can be converted into a signal (hereinafter referred to as 5G Above6 RF signal).
  • the 5G Above6 RF signal may be obtained from a second network 294 (e.g., a 5G network) through an antenna (e.g., antenna 248) and preprocessed through a third RFFE 236.
  • the third RFIC 226 may convert the pre-processed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214.
  • the third RFFE 236 may be formed as part of the third RFIC 226.
  • the electronic device 101 may include a fourth RFIC 228 separately from or at least as part of the third RFIC 226.
  • the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter referred to as an IF signal) in an intermediate frequency band (e.g., about 9 GHz to about 11 GHz). After conversion, the IF signal can be transmitted to the third RFIC (226).
  • the third RFIC 226 can convert the IF signal into a 5G Above6 RF signal.
  • a 5G Above6 RF signal may be received from a second network 294 (e.g., a 5G network) via an antenna (e.g., antenna 248) and converted into an IF signal by a third RFIC 226. .
  • the fourth RFIC 228 may convert the IF signal into a baseband signal so that the second communication processor 214 can process it.
  • the first RFIC 222 and the second RFIC 224 may be implemented as a single chip or at least part of a single package.
  • the first RFFE 232 and the second RFFE 234 may be implemented as a single chip or at least part of a single package.
  • at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or combined with another antenna module to process RF signals of a plurality of corresponding bands.
  • the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246.
  • the wireless communication module 192 or the processor 120 may be placed on the first substrate (eg, main PCB).
  • the third RFIC 226 is located in some area (e.g., bottom surface) of the second substrate (e.g., sub PCB) separate from the first substrate, and the antenna 248 is located in another part (e.g., top surface). is disposed, so that the third antenna module 246 can be formed.
  • the third RFIC 226 and the antenna 248 By placing the third RFIC 226 and the antenna 248 on the same substrate, it is possible to reduce the length of the transmission line therebetween. This, for example, can reduce the loss (e.g.
  • the electronic device 101 can improve the quality or speed of communication with the second network 294 (eg, 5G network).
  • the second network 294 e.g, 5G network
  • the antenna 248 may be formed as an antenna array including a plurality of antenna elements that can be used for beamforming.
  • the third RFIC 226, for example, as part of the third RFFE 236, may include a plurality of phase shifters 238 corresponding to a plurality of antenna elements.
  • each of the plurality of phase converters 238 may convert the phase of the 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (e.g., a base station of a 5G network) through the corresponding antenna element. .
  • each of the plurality of phase converters 238 may convert the phase of the 5G Above6 RF signal received from the outside through the corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.
  • the second network 294 may operate independently (e.g., stand-alone (SA)) or connected to the first network 292 (e.g., legacy network). non-stand alone (NSA)).
  • SA stand-alone
  • NSA non-stand alone
  • a 5G network may have only an access network (e.g., 5G radio access network (RAN) or next generation RAN (NG RAN)) and no core network (e.g., next generation core (NGC)).
  • the electronic device 101 may access the access network of the 5G network and then access an external network (eg, the Internet) under the control of the core network (eg, evolved packed core (EPC)) of the legacy network.
  • EPC evolved packed core
  • Protocol information for communication with a legacy network e.g., LTE protocol information
  • protocol information for communication with a 5G network e.g., new radio (NR) protocol information
  • NR new radio
  • FIG. 3 is a diagram illustrating a protocol stack structure of a network 100 for legacy communication and/or 5G communication according to an embodiment.
  • the network 100 may include an electronic device 101, a legacy network 392, a 5G network 394, and a server 108.
  • the electronic device 101 may include an Internet protocol 312, a first communication protocol stack 314, and a second communication protocol stack 316.
  • electronic device 101 may communicate with server 108 through legacy network 392 and/or 5G network 394.
  • the electronic device 101 is connected to the server 108 using the Internet protocol 312 (e.g., transmission control protocol (TCP), user datagram protocol (UDP), and internet protocol (IP)).
  • the Internet protocol 312 e.g., transmission control protocol (TCP), user datagram protocol (UDP), and internet protocol (IP)
  • TCP transmission control protocol
  • UDP user datagram protocol
  • IP internet protocol
  • Associated Internet communications can be performed.
  • the Internet protocol 312 may be executed on a main processor (eg, main processor 121 in FIG. 1) included in the electronic device 101.
  • the electronic device 101 may wirelessly communicate with the legacy network 392 using the first communication protocol stack 314. Also, according to one embodiment, the electronic device 101 may wirelessly communicate with the 5G network 394 using the second communication protocol stack 316.
  • the first communication protocol stack 314 and the second communication protocol stack 316 may be executed on one or more communication processors (e.g., wireless communication module 192 of FIG. 1) included in the electronic device 101. there is.
  • server 108 may include Internet Protocol 322.
  • the server 108 may transmit and receive data related to the Internet protocol 322 with the electronic device 101 through the legacy network 392 and/or 5G network 394.
  • server 108 may include a cloud computing server that exists outside of legacy network 392 or 5G network 394.
  • the server 108 may include an edge computing server (or mobile edge computing (MEC) server) located inside at least one of the legacy network or the 5G network 394.
  • MEC mobile edge computing
  • the legacy network 392 may include a long term evolution (LTE) base station 340 and an evolved packed co (EPC) 342.
  • the LTE base station 340 may include an LTE communication protocol stack 344.
  • EPC 342 may include a legacy non-access stratum (NAS) protocol 346.
  • the legacy network 392 may perform LTE wireless communication with the electronic device 101 using the LTE communication protocol stack 344 and the legacy NAS protocol 346.
  • the 5G network 394 may include a new radio (NR) base station 350 and a 5th generation core (5GC) 352.
  • NR base station 350 may include an NR communication protocol stack 354.
  • 5GC 352 may include 5G NAS protocol 356.
  • the 5G network 394 may perform NR wireless communication with the electronic device 101 using the NR communication protocol stack 354 and the 5G NAS protocol 356.
  • the first communication protocol stack 314, the second communication protocol stack 316, the LTE communication protocol stack 344, and the NR communication protocol stack 354 include a control plane protocol for transmitting and receiving control messages, and It may include a user plane protocol for sending and receiving user data.
  • the control message may include a message related to at least one of security control, bearer setup, authentication, registration, or mobility management.
  • user data may include data excluding control messages.
  • control plane protocol and user plane protocol may include physical (PHY), medium access control (MAC), radio link control (RLC), or packet data convergence protocol (PDCP) layers.
  • PHY physical
  • MAC medium access control
  • RLC radio link control
  • PDCP packet data convergence protocol
  • the PHY layer can channel code and modulate data received from a higher layer (e.g., MAC layer) and transmit it to a wireless channel, and demodulate and decode data received through a wireless channel and transmit it to the upper layer.
  • the PHY layer included in the second communication protocol stack 316 and the NR communication protocol stack 354 may further perform operations related to beam forming.
  • the MAC layer can logically/physically map data to a wireless channel for transmitting and receiving data and perform HARQ (hybrid automatic repeat request) for error correction.
  • HARQ hybrid automatic repeat request
  • the RLC layer can concatenate, segment, or reassemble data, and perform order checking, reordering, or redundancy checking of data.
  • the PDCP layer may perform operations related to ciphering and data integrity of control data and user data.
  • the second communication protocol stack 316 and the NR communication protocol stack 354 may further include a service data adaptation protocol (SDAP).
  • SDAP can manage radio bearer allocation based on the quality of service (QoS) of user data.
  • the control plane protocol may include a radio resource control (RRC) layer and a non-access stratum (NAS) layer.
  • RRC radio resource control
  • NAS non-access stratum
  • the RRC layer may process control data related to radio bearer setup, paging, or mobility management.
  • the NAS can handle control messages related to authentication, registration, and mobility management.
  • 4A, 4B, and 4C are diagrams illustrating wireless communication systems providing a network of legacy communication and/or 5G communication according to an embodiment.
  • the network environments 100A to 100C may include at least one of a legacy network and a 5G network.
  • the legacy network includes a 4G or LTE base station 440 (e.g., eNodeB) of the 3GPP standard that supports wireless access with the electronic device 101 and an evolved packet core (EPC) that manages 4G communications.
  • EPC evolved packet core
  • the 5G network includes a new radio (NR) base station 450 (e.g., gNodeB (gNB)) that supports wireless access with the electronic device 101, and 5GC that manages 5G communication of the electronic device 101. It may include (452) (5th generation core).
  • NR new radio
  • gNB gNodeB
  • 5G communication of the electronic device 101 may include (452) (5th generation core).
  • the electronic device 101 may transmit and receive control messages and user data through legacy communication and/or 5G communication.
  • the control message is a message related to at least one of security control, bearer setup, authentication, registration, or mobility management of the electronic device 101.
  • user data may refer to user data excluding control messages transmitted and received between the electronic device 101 and the core network 430 (eg, EPC 442).
  • the electronic device 101 uses at least a part of a legacy network (e.g., an LTE base station 440, an EPC 442) to connect to at least a part of a 5G network (e.g., LTE base station 440, EPC 442).
  • a legacy network e.g., an LTE base station 440, an EPC 442
  • a 5G network e.g., LTE base station 440, EPC 442
  • At least one of a control message or user data can be transmitted and received with the NR base station 450 and 5GC 452).
  • the network environment 100A provides wireless communication dual connectivity (multi-RAT (radio access technology) dual connectivity, MR-DC) to the LTE base station 440 and the NR base station 450, and EPC It may include a network environment for transmitting and receiving control messages to and from the electronic device 101 through the core network 430 of either 442 or 5GC 452.
  • multi-RAT radio access technology
  • MR-DC radio access technology dual connectivity
  • one of the LTE base stations 440 or NR base stations 450 operates as a master node (MN) 410 and the other operates as a secondary node (SN) 420. It can operate as .
  • the MN 410 is connected to the core network 430 and can transmit and receive control messages.
  • the MN 410 and the SN 420 are connected through a network interface and can transmit and receive messages related to radio resource (eg, communication channel) management with each other.
  • radio resource eg, communication channel
  • the MN 410 may be composed of an LTE base station 440
  • the SN 420 may be composed of an NR base station 450
  • the core network 430 may be composed of an EPC 442.
  • control messages can be transmitted and received through the LTE base station 440 and the EPC 442
  • user data can be transmitted and received through the LTE base station 440 and the NR base station 450.
  • the 5G network can independently transmit and receive control messages and user data to and from the electronic device 101.
  • the legacy network and the 5G network can each independently provide data transmission and reception.
  • the electronic device 101 and the EPC 442 may transmit and receive control messages and user data through the LTE base station 440.
  • the electronic device 101 and the 5GC 452 may transmit and receive control messages and user data through the NR base station 450.
  • the electronic device 101 may be registered with at least one of the EPC 442 or the 5GC 452 and transmit and receive control messages.
  • the EPC 442 or 5GC 452 may manage communication of the electronic device 101 by interworking. For example, movement information of the electronic device 101 may be transmitted and received through the interface between the EPC 442 and the 5GC 452.
  • Figure 5 is a block diagram of an electronic device supporting dual connectivity according to an embodiment.
  • an electronic device e.g., electronic device 101 of FIG. 1
  • a temperature sensor e.g., sensor module 175 of FIG. 1
  • a processor e.g. : processor 120 in FIG. 1
  • display e.g. display module 160 in FIG. 1
  • communication circuit e.g. wireless communication module 192 in FIG. 1 550
  • It may include a first antenna 540 and a second antenna 542.
  • the temperature sensor 510 may measure the temperature of at least a portion of the electronic device 101 (e.g., a component (e.g., housing and/or part) of the electronic device 101). Temperature information measured by the temperature sensor 510 may be transmitted to the processor 520.
  • the processor 520 may be electrically and/or operatively connected to various components of the electronic device 101 to control the various components of the electronic device 101 .
  • At least one processor 520 may include either an application processor or a communication processor.
  • the display 530 may display various still images and/or moving images based on control of the processor 520.
  • the display 530 may display a screen provided by a foreground application.
  • a foreground application may be defined as an application displayed on the display 530, and a background application may be defined as an application not displayed on the display 530.
  • the foreground application may operate as a background application according to some conditions (eg, the user presses the lock button of the electronic device 101).
  • the music playback application may be a foreground application that can display information related to music playback on the display 530, and may operate as a background application that can play music without providing a separate screen in lock mode. can do.
  • the processor 520 may transmit and/or receive data through first cellular communication and/or second cellular communication.
  • the processor 520 is connected to a first node (e.g., the LTE base station 440 in FIG. 4A) through first cellular communication, or is connected to a second node (e.g., NR base station 450 in FIG. 4a) through second cellular communication. )) can be connected.
  • the processor 520 may transmit user data received from the processor 520 through first cellular communication and/or second cellular communication, and user data received through first cellular communication and/or second cellular communication. Can be transmitted to the processor 520.
  • the first cellular communication may refer to any one of various cellular communication methods that the electronic device 101 can support, for example, a communication method on the second cellular network 294 of FIG. 2.
  • the first cellular communication may be a communication method using a 4th generation mobile communication method (eg, long term evolution).
  • the first cellular communication may include at least one antenna (eg, first antenna 540).
  • the second cellular communication is any one of various cellular communication methods that can be supported by an electronic device (e.g., the electronic device 101 of FIG. 1), for example, communication on the first cellular network 292 of FIG. 2. It can mean a method.
  • the second cellular communication may be a communication method using a 5th generation mobile communication method (eg, new radio).
  • the second cellular communication may include at least one antenna (eg, second antenna 542).
  • the communication circuit 550 is a communication circuit that supports first cellular communication and/or second cellular communication, and is capable of communicating with an external electronic device (e.g., the external electronic device of FIG. 1 (e.g., the external electronic device of FIG. 1) through the first cellular communication and/or the second cellular communication. Communication with 104)) can be provided to the electronic device 101.
  • an external electronic device e.g., the external electronic device of FIG. 1 (e.g., the external electronic device of FIG. 1) through the first cellular communication and/or the second cellular communication. Communication with 104)
  • the electronic device 101 in a state where the electronic device 101 is connected to radio resource control (RRC) through the first cellular communication, in order to reduce heat generation and/or power consumption, the electronic device 101 releases the RRC connection of the first cellular communication and , RRC connection of the second cellular communication can be performed.
  • RRC radio resource control
  • the processor 520 may check the status of the display 530 while connected to RRC through first cellular communication. The processor 520 may check whether the display 530 is in an inactive state. Alternatively, the processor 520 may detect that the display 530 is switched from an activated state to a deactivated state, and check whether the deactivated state of the display 530 is maintained for a specified time or longer.
  • Deactivation of the display 530 may mean that at least some functions of the display 530 (eg, a screen display function) are deactivated. According to one embodiment, even if some other functions of the display 530 (e.g., always on display (AOD) function, touch input recognition function) are activated, the display function of the screen is deactivated and the display 530 is deactivated. It can also be defined as Alternatively, the deactivated state of the display 530 may include a state in which the current applied to the display 530 is relatively low compared to the activated state. For example, the deactivated state of the display 530 may include at least one of a state in which the brightness of the display 530 is lowered, a dimming state, and/or a state in which the display 530 is turned off.
  • AOD always on display
  • touch input recognition function e.g., touch input recognition function
  • the display 530 may be switched to a deactivated state in response to detecting that the user presses the lock button of the electronic device 101. According to one embodiment, the display 530 may be switched to a deactivated state in response to not receiving a user input on the display 530 for more than a specified time. In addition to the embodiments described above, the display 530 may be switched to a deactivated state according to various methods.
  • the processor 520 may check whether the temperature and/or data transmission throughput measured by the temperature sensor 510 satisfy specified conditions. Alternatively, in response to the processor 520 confirming that the inactive state of the display 530 is maintained for a specified time or more, the temperature measured by the temperature sensor 510 and/or the throughput of data transmission satisfies the specified condition. You can check whether it is working or not.
  • the communication processor may receive information indicating that the specified temperature condition has been met from the application processor (not shown) and check whether the throughput of data transmission satisfies the specified condition.
  • the electronic device 500 may include at least one temperature sensor.
  • the temperature measured by the temperature sensor 510 may include the temperature of a portion of the electronic device 101 where the temperature sensor 510 is placed.
  • the temperature sensor 510 may be included inside or attached to the surface of at least one component (eg, processor 520) of the electronic device 101.
  • at least one temperature sensor 510 may be located near the surface of the electronic device 101 to measure the surface temperature of the electronic device 101.
  • the temperature of the electronic device 101 may be determined through a value measured by one temperature sensor or by combining values measured by at least two or more temperature sensors.
  • the processor 520 may check whether the temperature measured by the temperature sensor 510 satisfies specified conditions.
  • the specified condition may include a condition in which the temperature measured by the temperature sensor 510 is (or exceeds) a specified value (eg, 35.5 degrees).
  • Throughput of data transmission can be defined as the traffic amount of data transmitted and/or received per unit time.
  • the processor 520 may monitor (or track) the amount of traffic generated by a running application (or background application) while the display 530 is deactivated.
  • the processor 520 may monitor (or track) the amount of traffic of data transmitted or received through first cellular communication and/or second cellular communication and check whether throughput satisfies specified conditions.
  • the specified condition may include a condition where the throughput is less than (or less than) a specified value (e.g., 10 Mbps).
  • the processor 520 may confirm that the temperature and/or throughput do not satisfy specified conditions and maintain the RRC connection of the first cellular communication.
  • the processor 520 maintains the RRC connection of the first cellular communication and continuously checks the temperature and/or throughput to determine whether the specified condition is satisfied. You can check whether or not.
  • the processor 520 may confirm that the temperature and/or throughput satisfies specified conditions and release the RRC connection of the first cellular communication.
  • the application processor (not shown) may confirm that the temperature and/or throughput satisfies specified conditions and transmit a message instructing to release the RRC connection of the first cellular communication to the communication processor (not shown).
  • the processor 520 determines the strength of a signal transmitted by a node connected through the first cellular communication (e.g., the LTE base station 440 in FIG. 4A). If it is greater than a certain value, the B1 event measurement report that is set to be reported may not be transmitted.
  • the network of the first cellular communication (e.g., the second network 294 in FIG. 2) that has received the B1 event measurement report may determine whether to connect the RRC connection of the first cellular communication depending on whether the B1 event measurement report is received. there is.
  • the first cellular communication network 294 receives the B1 event measurement report, the RRC connection between the electronic device 101 and the first cellular communication network 294 may be performed again. Accordingly, the processor 520 may maintain the first cellular communication in the released state by not transmitting the B1 event measurement report.
  • the embodiment described above describes releasing and/or maintaining the RRC connection of the first cellular communication based on throughput and/or temperature, but the electronic device 101 is not limited to throughput and/or temperature. Instead, the RRC connection of the first cellular communication may be released and/or maintained by considering various states.
  • the processor 520 may be operatively connected to the communication circuit 550.
  • the processor 520 may interact with the communication circuit 550 through an application processor to communication processor (AP2CP) interface.
  • AP2CP interface may include at least one of a shared memory method or a peripheral component interconnect-express (PCIe) method.
  • PCIe peripheral component interconnect-express
  • the communication circuit 550 may interact through a communication processor to communication processor (CP2CP) interface.
  • CP2CP interface may include a universal asynchronous receiver/transmitter (UART).
  • the communication circuit 550 may perform first cellular communication with a first node (eg, master node 410 in FIG. 4A). According to one embodiment, the communication circuit 550 may perform first cellular communication to transmit and/or receive control messages and data with a first node (eg, MN 410).
  • the first cellular communication may include any one of various cellular communication methods that the electronic device 101 can support.
  • the first cellular communication is one of the 4th generation mobile communication methods (e.g., long-term evolution (LTE), LTE-advanced (LTE-A), LTE advanced pro (LTE-A pro)) or 5 It may include at least one of the next-generation mobile communication methods (e.g., 5G or NR) (e.g., using a frequency band of about 6 GHz or less).
  • the first node e.g, MN 410) may refer to a base station supporting first cellular communication.
  • a communications processor e.g., first communications processor 212 of FIG. 2) may be configured to include an RFIC (e.g., first RFIC 222 of FIG. 2) and/or RFFE (e.g., first cellular communication) associated with the first cellular communication. It may include the first RFFE 232 of FIG. 2).
  • the communication circuit 550 may perform second cellular communication with a second node (eg, secondary node 420 in FIG. 4A).
  • the communication circuit 550 may transmit and/or receive data with a second node (eg, SN 420) while performing second cellular communication.
  • the second cellular communication may include any one of various cellular communication methods that the electronic device 101 can support.
  • the second cellular communication is one of the 5th generation mobile communication methods (e.g., 5G) (e.g., using a frequency band of about 6 GHz or higher) or the 4th generation mobile communication method (e.g., LTE, LTE-A, LTE- A pro) may include any one method.
  • the second node may refer to a base station supporting second cellular communication.
  • the processor 520 includes a second cellular communication-related RFIC (e.g., third RFIC 226 in FIG. 2) and/or RFFE (e.g., third RFFE 236 in FIG. 2). can do.
  • connection environment may not be limited to the EN-DC environment.
  • the dual connectivity of the electronic device 101 is an EN-DC (E-UTRA-NR dual connectivity) environment of first cellular communication in the 4th generation mobile communication method and second cellular communication in the 5th generation mobile communication method, 5 NE-DC (NR - E-UTRA dual connectivity) environment of the first cellular communication of the 4th generation mobile communication method and the second cellular communication of the 4th generation mobile communication method, and the first method of the 5th generation mobile communication method (e.g., approximately 6 GHz or less) ) and a NR-DC (NR-NR dual connectivity) environment of a second cellular communication method supporting a first cellular communication method and a second method of a 5th generation mobile communication method (e.g., about 6 GHz or higher) or a 4th generation mobile communication It may include a DC environment of a first cellular communication method supporting the first method of the method and a second cellular communication method supporting the second method of the 4th generation mobile communication method.
  • EN-DC E-UTRA-NR dual connectivity
  • the electronic device 101 may use both first cellular communication and second cellular communication.
  • the electronic device 101 may transmit and/or receive data for connection of the second cellular communication to and from the first node (eg, the MN 410) using the first cellular communication.
  • data for connection to the second cellular communication may include a radio resource control message (eg, RRC reconfiguration message).
  • the processor 520 may transmit or receive data with an external electronic device (not shown) using the communication circuit 550.
  • the processor 520 may control the processor 520 communication circuit 550 to transmit and/or receive data using first cellular communication and/or second cellular communication.
  • the processor 520 may obtain information related to the operating state of the electronic device 101.
  • the processor 520 may receive information related to the operating state of the electronic device 101.
  • Information related to the operating state of the electronic device 101 includes the temperature of the electronic device 101, whether the display 530 is on/off, throughput, whether a specific application (e.g., a game application that generates a lot of heat) is running, etc. may include.
  • the temperature of the electronic device 101 is the individual temperature or combined temperature of at least one module (e.g., processor 520, communication circuit 550, or communication circuit 550) included in the electronic device 101. May include temperature.
  • the temperature of the electronic device 101 may include the temperature measured by the temperature sensor 510 included near the surface of the electronic device 101, but the temperature measurement location is not limited.
  • Information related to the operating state of the electronic device 101 may include throughput of the electronic device 101.
  • Information related to the operating state of the electronic device 101 may include information indicating whether the application running on the electronic device 101 is a designated application (eg, a game application that generates a lot of heat).
  • the electronic device 101 may store a memory (eg, memory 130 in FIG. 1 ) that temporarily and/or non-temporarily stores a list of applications for which release of the RRC connection of the first cellular communication is prohibited.
  • the list of applications may be generated based on the selection of the user of the electronic device 101, and may be received from a server existing outside the electronic device 101 (e.g., the electronic device 104 in FIG. 1). .
  • the list of applications may be created based on the characteristics of the services provided by the application. For example, as the connected cellular communication of the electronic device 101 is switched, an application that provides a service that is difficult to perform smoothly (eg, voice over NR (VoNR)) may be included in the list of applications.
  • VoIP voice over NR
  • the processor 520 When the processor 520 detects the deactivation state of the display 530 while an application included in the list of applications prohibited from releasing the RRC connection of the first cellular communication is running, the processor 520 sets the throughput and/or temperature under specified conditions. Regardless of whether the first cellular communication is satisfied, the connection of the first cellular communication can be maintained without disconnecting the first cellular communication.
  • the electronic device 101 includes a memory (e.g., memory 130 in FIG. 1) that temporarily and/or non-temporarily stores a list of applications permitted to disconnect from the first cellular communication. may include.
  • the list of applications may be generated based on the selection of the user of the electronic device 101, and may be received from a server existing outside the electronic device 101 (e.g., the electronic device 104 in FIG. 1). .
  • the list of applications may be created based on the characteristics of the services provided by the application. For example, as the connected cellular communication of the electronic device 101 is switched, an application that provides a service that enables smooth service performance (e.g., a streaming service that uses a method of receiving data at specified times) May be included in the list.
  • a service that enables smooth service performance e.g., a streaming service that uses a method of receiving data at specified times
  • the processor 520 in response to confirming that the inactive state of the display 530 is longer than a specified time while an application included in the list of applications permitted to release the first cellular communication is running, determines that the throughput and/or temperature are increased. You can check whether the specified conditions are satisfied.
  • the processor 520 may release the RRC connection of the first cellular communication in response to the throughput and/or temperature satisfying specified conditions.
  • the application processor (not shown) may confirm that the temperature and/or throughput satisfies specified conditions and transmit a message instructing to release the RRC connection of the first cellular communication to the communication processor (not shown).
  • the processor 520 may control the connection of the first cellular communication (eg, LTE) based on information related to the operating state of the electronic device 101.
  • the processor 520 may determine whether the operating state of the electronic device 101 satisfies a specified condition related to disconnection of the first cellular communication. there is. For example, when the temperature of the electronic device 101 is above a specified temperature (e.g., about 43 degrees), the processor 520 performs a function related to at least one of disconnection of the first cellular communication or disconnection of the second cellular communication. It can be judged that the conditions are satisfied.
  • the processor 520 disconnects either the first cellular communication or the second cellular communication based on confirming that the throughput of the electronic device 101 is less than (or less than) a specified value. It can be judged that the relevant specified conditions are satisfied. In response to confirming that the inactive state of the display 530 is longer than a specified time, the processor 520 determines that a specified condition related to disconnection of either the first cellular communication or the second cellular communication is satisfied. You can.
  • the processor 520 generates a signal associated with disconnection of the first cellular communication based on determining that the operating state of the electronic device 101 satisfies a specified condition related to disconnection of the first cellular communication. Can be transmitted to the communication circuit 550.
  • the signal associated with disconnection of the first cellular communication may include operating state information of the electronic device 101 that satisfies a specified condition related to disconnection of the first cellular communication.
  • the signal associated with disconnecting the first cellular communication may include a signal instructing disconnecting the first cellular communication.
  • communication circuitry 550 may receive a signal associated with disconnection of the first cellular communication from processor 520.
  • the signal associated with disconnection of the first cellular communication indicates that the operating state of the electronic device 101 has satisfied a specified condition associated with disconnection of the first cellular communication, or It may include data indicating.
  • the processor 520 can control the connection to be disconnected from the 5G network and connected to the LTE network based on confirmation that the number of layers of the NR receiving end is greater than the number of layers of the LTE receiving end.
  • the number of layers may mean the number of data streams or paths that one base station can simultaneously transmit to a terminal.
  • the number of layers may mean the number of data streams transmitted through each path.
  • layer 2 may include two paths through which signals can be transmitted.
  • the number of layers may increase in proportion to the number of antennas (eg, the first antenna 540 and the second antenna 542).
  • the processor 520 may determine that the second condition is satisfied based on confirming that the number of layers of the LTE receiving end is greater than the number of layers of the NR receiving end.
  • the processor 520 may determine whether the transmission power on the communication circuit 550 or the transmission power of the LTE network is relatively higher than the transmission power on the communication circuit 550 or the transmission power of the 5G network based on the second condition being satisfied.
  • the processor 520 has a reference signal received power (RSRP) of an LTE network located in a cell supporting a first network is less than a preset first level, and at the same time supports a cell supporting a second network ( Based on the RSRP (reference signal received power) of the cell exceeding a preset second level, it may be determined that a setting for measuring communication quality (e.g., B2 event) is satisfied.
  • RSRP reference signal received power
  • the processor 520 applies an offset to at least one of the RSRP of the LTE network or the RSRP of the NR network in response to not satisfying the settings for measuring communication quality (e.g., B2 event). You can.
  • the processor 520 may control the RSRP of the LTE network to be below the first level by applying a negative offset in response to exceeding the first level.
  • the processor 520 may control the RSRP of the NR network to exceed the second level by applying a positive (+) offset in response to the RSRP being below the second level.
  • the processor 520 may use an offset to control communication quality measurement settings (eg, B2 event).
  • the processor 520 may use an offset to advance the transmission time of the measurement report.
  • the processor 520 can more quickly receive a response signal to stop the first cellular communication from at least one of the base station supporting the first cellular communication or the LTE base station 440 by advancing the transmission time of the measurement report. there is.
  • the measurement report and the response signal to stop the first cellular communication will be described below.
  • the processor 520 sends a measurement report to at least one of the base station or the LTE base station 440 supporting the first cellular communication based on satisfying the settings for measuring communication quality (e.g., B2 event). It can be transmitted either way.
  • the LTE base station 440 that receives the measurement report may transmit a response signal to stop the first cellular communication to the electronic device 101 based on the measurement report.
  • the response signal to stop the first cellular communication may include, for example, a hand over command. Handover may refer to an operation in which a service is connected by tuning to a call channel when an electronic device moves from one cell to another cell.
  • the processor 520 may connect the communication circuit 550 with the NR network based on a response signal to stop the first cellular communication.
  • the processor 520 may disconnect from the LTE network based on the communication circuit 550 being connected to the NR network. Thereafter, the electronic device 101 may operate in stand alone (SA) mode in which only the NR network is connected.
  • SA stand alone
  • the first cellular communication may include at least one of a long term evolution (LTE) network or a new radio (NR) network
  • the second cellular communication may include an NR network or an LTE network.
  • LTE long term evolution
  • NR new radio
  • the communication circuit 550 sends a signal for disconnection of either the first cellular communication or the second cellular communication to the first node (e.g., MN) through the first cellular communication. 410)).
  • a signal requesting disconnection of the first cellular communication e.g., a measurement report
  • the communication circuit 550 can be controlled to disconnect the first cellular communication after connecting to the second cellular communication.
  • settings for measuring communication quality with a second node may be set to the first node (e.g., SN 420) for connection to the second node (e.g., SN 420). It may include a communication quality standard that causes the MN (410) to start measurement for communication quality reporting with a second node (e.g., SN (420)).
  • the communication quality result with the second node may include at least one of reference signal received power (RSRP), reference signal received quality (RSRQ), or received signal strength indicator (RSSI).
  • the first communication circuit 520 may disconnect from the first cellular communication (eg, LTE) based on being connected to the second cellular communication.
  • the first cellular communication eg, LTE
  • Figure 6 is a graph showing the temperature measurement results of each network in an EN-DC environment according to an embodiment.
  • the horizontal axis on the graph may indicate measurement time (sec), and the vertical axis may indicate temperature in degrees Celsius.
  • the first graph 610 shows the temperature distribution on the surface of the electronic device 101 when using the LTE network and the NR network simultaneously in an EN-DC situation.
  • the second graph 620 shows the temperature distribution on the surface of the electronic device 101 when the NR network is blocked and only the LTE network is used.
  • the third graph 630 shows the temperature distribution on the surface of the electronic device 101 when the LTE network is blocked and only the NR network is used. In FIG. 6, the third graph 630 may be located at the bottom of the second graph 620.
  • the electronic device 101 consumes more efficiently by blocking the LTE network instead of blocking the NR network. Current and/or heat generation may be reduced.
  • the electronic device 101 may block the LTE network instead of blocking the NR network, thereby reducing the surface temperature of the electronic device 101 relatively more.
  • Figure 7 is a flowchart for controlling heat generation in an electronic device in an EN-DC environment according to an embodiment.
  • Operations described through FIG. 7 may be implemented based on instructions that can be stored in a computer recording medium or memory (eg, memory 130 in FIG. 1).
  • the illustrated method 700 can be executed by the electronic device previously described with reference to FIGS. 1 to 5C (e.g., the electronic device 101 of FIG. 1 ), and technical features described above will be omitted below.
  • a processor eg, processor 520 of FIG. 5
  • the order of each operation in FIG. 7 may be changed, some operations may be omitted, and some operations may be performed simultaneously.
  • EN-DC E-UTRA-NR dual connectivity
  • PCC primary component carrier
  • SCC secondary component carrier
  • NR new radio
  • E-UTRA may refer to LTE wireless access technology.
  • the electronic device 101 may confirm that the surface heating temperature exceeds a preset level.
  • the electronic device 101 may use a sensor module (e.g., the sensor module 176 in FIG. 1) to confirm that the surface heating temperature exceeds about 43 degrees Celsius.
  • the electronic device 101 may block connection with one network in an EN-DC situation to reduce current consumption and/or heat generation.
  • the electronic device 101 according to an embodiment of this document may block connections with relatively higher current consumption values based on the current consumption values of the 5G network and LTE network.
  • the electronic device 101 may perform a procedure to check whether specific conditions are satisfied for switching to the 5G (NR) network in a stand alone (SA) environment that blocks the LTE network and connects only the 5G network. . This will be explained in operations 720 to 750.
  • the electronic device 101 compares the number of layers of the LTE receiving end with the number of layers of the NR receiving end to check whether the number of layers of the LTE receiving end is greater.
  • the number of layers may be proportional to the number of CCs (component carriers) and the number of antennas. For example, in a 3CA, 4x4 layer environment, the number of layers may mean 12 (3*4). In a 2CA, 2x2 layer environment, the number of layers can mean 4 (2*2).
  • the electronic device 101 may control to disconnect from the 5G network and connect to the LTE network in operation 770.
  • the electronic device 101 may check whether the transmission power of the LTE network is relatively higher than the transmission power of the 5G network in operation 730.
  • the electronic device 101 may control to disconnect from the 5G network and connect to the LTE network in operation 770 based on confirmation that the transmission power of the LTE network is relatively lower than that of the 5G network.
  • the electronic device 101 may check whether the NR base station is located within a certain distance from the electronic device 101 in operation 740 based on confirming that the transmission power of the LTE network is relatively higher than the transmission power of the 5G network.
  • the electronic device 101 may control to disconnect from the 5G network and connect to the LTE network in operation 770 based on the fact that the NR base station is not located within a certain distance from the electronic device 101.
  • the electronic device 101 may check the condition (B2) for transmitting a measurement report in operation 750 based on confirmation that the NR base station is located within a certain distance from the electronic device 101.
  • the network may transmit a hand over command to the electronic device 101 based on the measurement report.
  • the electronic device 101 can disconnect the connected LTE network based on a handover command and change to SA (stand alone) mode.
  • Handover may refer to an operation in which a service is connected by tuning to a call channel when an electronic device moves from one cell to another cell.
  • the condition (B2) for transmitting a measurement report is as follows.
  • the reference signal received power (RSRP) value of an LTE cell may be less than a preset first value, and the reference signal received power (RSRP) value of an NR cell may be greater than a preset second value.
  • the electronic device 101 may transmit a measurement report to the base station based on satisfying the above condition (B2).
  • RSRP may refer to the strength of a signal received by the electronic device 101.
  • the electronic device 101 determines that the reference signal received power (RSRP) value of the LTE cell is smaller than the first preset value, and the reference signal received power (RSRP) value of the NR cell is smaller than the preset second value. Operation 750 may be performed based on the greater than value. Operation 750 may refer to an operation in which the electronic device 101 transmits a request signal to release a communication connection to the LTE network.
  • RSRP reference signal received power
  • the electronic device 101 applies an offset in operation 752 to transmit a measurement report even when the condition (B2) for transmitting the measurement report is not met. It can be controlled so that condition (B2) is met.
  • the electronic device 101 may transmit a request signal for releasing the communication connection to the LTE network in operation 755 based on the condition (B2) for transmitting a measurement report by applying the offset is met.
  • the electronic device 101 may determine that the current consumption of the LTE network is higher than that of the NR based on operations 720 and 730, and may apply an offset to quickly switch to the SA mode using only the NR network.
  • the electronic device 101 satisfies the condition (B2) for transmitting a measurement report using the offset and releases the communication connection with the LTE network.
  • the electronic device 101 may connect to the 5G network and disconnect from the LTE network based on the network response signal in operation 760.
  • the response signal may include, for example, a redirection or hand over command.
  • the electronic device 101 can seamlessly turn off the LTE network, which consumes relatively high current, and connect to the 5G network instead.
  • redirection refers to an operation in which a service is connected by tuning into a call channel when an electronic device moves from one cell to another cell, but before moving to another cell, the existing It may differ from hand over in that it disconnects from the cell.
  • Figure 8 is a flowchart for controlling heat generation in an electronic device in a NE-DC environment according to an embodiment.
  • the operations described with reference to FIG. 8 may be implemented based on instructions that can be stored in a computer recording medium or memory (e.g., memory 130 in FIG. 1).
  • the illustrated method 800 can be executed by the electronic device previously described with reference to FIGS. 1 to 5C (e.g., the electronic device 101 of FIG. 1 ), and technical features described above will be omitted below.
  • a processor eg, processor 520 of FIG. 5
  • the order of each operation in FIG. 8 may be changed, some operations may be omitted, and some operations may be performed simultaneously.
  • NE-DC may refer to a technology in which one terminal is connected to both an LTE network and a 5G network and receives services.
  • the primary component carrier (PCC) can transmit signals of the 5G network
  • the secondary component carrier (SCC) can transmit signals of the LTE network.
  • NE-DC may have opposite signals transmitted from PCC and SCC compared to EN-DC of FIG. 7.
  • the electronic device 101 may confirm that the surface heating temperature exceeds a preset level.
  • the electronic device 101 may use a sensor module (e.g., the sensor module 176 in FIG. 1) to confirm that the surface heating temperature exceeds about 43 degrees Celsius.
  • the electronic device 101 may block connection to one network in a NE-DC situation when the surface heating temperature exceeds a preset level.
  • the electronic device 101 according to an embodiment of this document may block connections with relatively higher current consumption values based on the current consumption values of the 5G network and LTE network.
  • the electronic device 101 can perform a procedure to check whether specific conditions are satisfied for switching to the 5G (NR) network in a stand-alone (SA) environment that blocks the LTE network and connects only the 5G network. there is. This will be explained in operations 820 to 840.
  • SA stand-alone
  • the electronic device 101 compares the number of layers of the LTE receiving end with the number of layers of the NR receiving end to determine whether the number of layers of the NR receiving end is greater.
  • the number of layers may be proportional to the number of CCs (component carriers) and the number of antennas. For example, in a 3CA, 4x4 layer environment, the number of layers may mean 12 (3*4). In a 2CA, 2x2 layer environment, the number of layers can mean 4 (2*2). Based on confirming that the number of layers of the NR receiving end is smaller than the number of layers of the LTE receiving end, the electronic device 101 may control to disconnect from the LTE network and connect to the NR network in operation 870.
  • the electronic device 101 may check whether the transmission power of the 5G (NR) network is relatively higher than the transmission power of the LTE network in operation 830. .
  • NR 5G
  • the electronic device 101 may control to disconnect from the LTE network and connect to the 5G network in operation 870 based on confirmation that the transmission power of the 5G network is relatively lower than that of the LTE network.
  • the electronic device 101 may check whether the LTE base station is located within a certain distance from the electronic device 101 in operation 840 based on confirmation that the transmission power of the 5G network is relatively higher than the transmission power of the LTE network.
  • the electronic device 101 may control to disconnect from the LTE network and connect to the 5G network in operation 870 based on the fact that the LTE base station is not located within a certain distance from the electronic device 101.
  • the electronic device 101 may transmit a request signal for releasing a communication connection to the 5G network in operation 850 based on confirmation that the LTE base station is located within a certain distance from the electronic device 101.
  • the network may transmit a redirection or handover command to the electronic device 101 based on the measurement configuration.
  • the electronic device 101 may disconnect the 5G network connected based on the measurement setup and operate in LTE.
  • the electronic device is operatively in communication with a first communication circuitry in first cellular communication with a first cellular network, a second communication circuitry in first cellular communication with a second cellular network, a first communication circuitry and a second communication circuitry. It may include at least one processor that is connected.
  • the processor connects to the first cellular network and the second cellular network through the first communication circuit and the second communication circuit, and provides a first condition related to the surface heating temperature of the electronic device and the number of layers received through the first cellular communication. and a second condition related to the number of layers receiving through the second cellular communication and a third condition related to the size of the transmission power of the first communication circuit and the second communication circuit.
  • the first condition may mean that the surface heating temperature of the electronic device exceeds a preset level.
  • the first cellular network may include a long term evolution (LTE) network and the second cellular network may include a new radio (NR) network.
  • LTE long term evolution
  • NR new radio
  • the processor determines whether a base station of a new radio (NR) network is located within a certain distance from the electronic device based on the decision to disconnect from the first cellular network, and determines whether a base station of a new radio (NR) network is located within a certain distance from the electronic device. new radio) In response to the fact that the base station of the network is not located, it may be decided to disconnect from the second cellular network instead of disconnecting from the first cellular network.
  • NR new radio
  • the processor determines that the reference signal received power (RSRP) value of the cell supporting the first network is less than a preset first value, and the RSRP (RSRP) of the cell supporting the second network A decision may be made to disconnect from the first cellular network based on the reference signal received power value exceeding a preset second value.
  • RSRP reference signal received power
  • the processor determines whether the reference signal received power (RSRP) value of the cell supporting the first network exceeds the preset first value or the RSRP (RSRP) of the cell supporting the second network Based on the reference signal received power value being less than a preset second value, it may be decided to disconnect from the second cellular network instead of disconnecting from the first cellular network.
  • RSRP reference signal received power
  • the processor determines that the current consumption of the first communication circuit is equal to that of the second communication circuit based on the number of reception layers through the first cellular communication exceeding the number of reception layers through the second cellular communication. It is determined that the current consumption is relatively greater than the current consumption, and based on the signal strength of the first communication circuit being relatively greater than the signal strength of the second communication circuit, the current consumption of the first communication circuit is relatively greater than the current consumption of the second communication circuit. You can decide on something bigger.
  • the processor may transmit a measurement report on the first cellular network based on determining that the current consumption of the first communication circuit is relatively greater than the current consumption of the second communication circuit.
  • the processor disconnects the first communications circuit from the first cellular network based on receiving a hand over command from the first cellular network, and connects the first communications circuit to the second cellular network. You can connect.
  • the processor may check the temperature of at least one module included in the electronic device through a sensor module.
  • the first communication circuit transitions to a sleep state or power off state based on disconnection of the first cellular communication
  • the second communication circuit switches to a sleep state or a power off state based on disconnection of the first cellular communication. It may be switched to an idle state or a power off state based on disconnection.
  • the control method of the electronic device includes a first condition related to the surface heating temperature of the electronic device, a second condition related to the number of receiving layers through first cellular communication and the number of receiving layers through second cellular communication, and a first condition related to the number of receiving layers through first cellular communication.
  • the first cellular network may include a long term evolution (LTE) network
  • the second cellular network may include a new radio (NR) network.
  • LTE long term evolution
  • NR new radio

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Ce dispositif électronique peut comprendre un premier circuit de communication configuré pour effectuer une première communication cellulaire avec un premier réseau cellulaire, un second circuit de communication configuré pour effectuer une seconde communication cellulaire avec un second réseau cellulaire, ainsi qu'au moins un processeur connecté fonctionnellement au premier circuit de communication et au second circuit de communication. Le processeur peut effectuer une série d'opérations pour se connecter au premier réseau cellulaire et au second réseau cellulaire par le biais du premier circuit de communication et du second circuit de communication, déterminer un réseau à déconnecter, parmi le premier réseau cellulaire et le second réseau cellulaire, selon qu'au moins une condition est satisfaite ou non parmi une première condition relative à la température de chauffage de surface du dispositif électronique, une troisième condition relative au nombre de couches reçues par le biais de la première communication cellulaire et au nombre de couches reçues par le biais de la seconde communication cellulaire, et une troisième condition relative à l'amplitude de la puissance de transmission du premier circuit de communication et du second circuit de communication, et se déconnecter du réseau déterminé d'après un signal de réponse au signal de libération.
PCT/KR2023/005450 2022-08-08 2023-04-21 Dispositif électronique et procédé de commande de dispositif électronique WO2024034777A1 (fr)

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KR10-2022-0117683 2022-09-19
KR1020220117683A KR20240020630A (ko) 2022-08-08 2022-09-19 전자 장치 및 전자 장치의 제어 방법

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020199228A1 (fr) * 2019-04-05 2020-10-08 Qualcomm Incorporated Techniques de sélection de connectivité pour dispositif à double connectivité
KR20200132161A (ko) * 2019-05-15 2020-11-25 삼성전자주식회사 전자 장치의 발열을 제어하기 위한 방법, 이를 위한 전자 장치 및 저장 매체
WO2021011658A1 (fr) * 2019-07-16 2021-01-21 Motorola Solutions, Inc. Atténuation thermique dans un dispositif radio convergent
KR20210020474A (ko) * 2019-08-14 2021-02-24 삼성전자주식회사 무선 통신 시스템에서 단말 상태에 기초하여 단말을 재설정하는 방법 및 장치
KR102246093B1 (ko) * 2020-02-07 2021-04-29 엘지전자 주식회사 발열 완화를 지원하는 전자기기 및 그 전자기기의 제어 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020199228A1 (fr) * 2019-04-05 2020-10-08 Qualcomm Incorporated Techniques de sélection de connectivité pour dispositif à double connectivité
KR20200132161A (ko) * 2019-05-15 2020-11-25 삼성전자주식회사 전자 장치의 발열을 제어하기 위한 방법, 이를 위한 전자 장치 및 저장 매체
WO2021011658A1 (fr) * 2019-07-16 2021-01-21 Motorola Solutions, Inc. Atténuation thermique dans un dispositif radio convergent
KR20210020474A (ko) * 2019-08-14 2021-02-24 삼성전자주식회사 무선 통신 시스템에서 단말 상태에 기초하여 단말을 재설정하는 방법 및 장치
KR102246093B1 (ko) * 2020-02-07 2021-04-29 엘지전자 주식회사 발열 완화를 지원하는 전자기기 및 그 전자기기의 제어 방법

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